Deep-Sea Bacterial Teamwork: Unlocking the Secrets of Efficient Organic Matter Degradation
Researchers from the University of Oldenburg, Germany, have discovered that a family of bacteria called Desulfobacteraceae are globally distributed in marine environments, efficiently breaking down diverse organic matter via a modular metabolic system and playing a crucial role in the global carbon cycle. These bacteria thrive in anaerobic conditions, using sulfate for respiration, and while less efficient than aerobic bacteria, their vast numbers and collaborative efforts make them dominant in organic matter decomposition in marine sediments. Analysis of their proteome and genome revealed the molecular mechanisms behind their efficient degradation, highlighting their potentially increasing importance under future climate change scenarios.